Seiko Cal. 6685 - 737

The Seiko 6685-737 represents an important milestone in Seiko's 1967 lineup. Powered by the 6685 caliber with 35j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-c4a31e026a13]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1967

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